As a good friend of his, I offered Tom my congratulations ______ his passing the college entrance exams.
| A．at | B．on | C．for | D．of |
It is so difficult a problem that _____ student in this class _____ work it out.
| A．any, can't | B．no, can | C．every, can | D．no, can't |
I think he is _____ to win, but I'm not sure.
| A．possible | B．likely | C．impossible | D．certain |
They own two cars, not to _____ a motorbike.
| A．speak | B．say | C．talk | D．mention |
The judge paid no attention to _____ he had just lost his wife.
| A．that | B．which | C．what | D．the fact that |
Is there a shop around _____ we can buy some toilet articles?
| A．that | B．which | C．where | D．what |